Browsing by Subject "heavy metals"
Now showing items 21-27 of 27
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Seasonal Variation in Heavy Metal Concentration in Mangrove Foliage
(Indian Association for Limnology and Oceanography, 1980)Seasonal variation in the concentration of some heavy metals in the leaves of seven species of mangrove vegetation from Goa, revealed that maximum concentration of iron and manganese occurs during the monsoon season without ... -
The levels of certain heavy metals in marine organisms from Aguada Bay (Goa)
(Indian Association for Limnology and Oceanography, 1982)The levels of manganese, iron, cobalt, nickel, copper, zinc and mercury have been measured in marine organisms from Aguada Bay which is one of the major fishing zones in Goa, India. The concentration of metals varied from ... -
Toxicity of some heavy metals to Copepods Acartia Spinicauda and Tortanus Forcipatus
(CSIR-NISCAIR, 1981)Copper was most toxic to the species tested followed by cadmium and zinc The estuarine species Acartia spinicauda was more sensitive to the toxicants that the marine species Tortanus forcipatus The 48 hr LC50 values are presented. -
Toxicity of some metals on the fish Therapon Jarbua (Forsskal, 1775)
(CSIR-NISCAIR, 1983)Hg, V and Pb were more toxic to Therapon jarbua than the other metals studied. Recorded 86 h LC sub(50) for Hg, V, Pb, As, Cu, Zn, Ni and Co was respectively at 0.06, 0.62, 1.23, 3.38, 4.5, 11.0, 19.4 and 52.5 mg.l/1. The ... -
Trophic structure and levels of selected metals in the zooplankton community of Thane-Bassein Creek, Bombay
(Council of Scientific and Industrial Research, New Delhi, 1999)Community structure of zooplankton at 4 locations, 2 in the coastal waters off Bombay and 2 in interior Thane-Bassein Creek System, Maharashtra, India were studied for a period of one year. Copepods as the major herbivore ... -
Uptake and loss of mercury, cadmium and lead in marine organisms
(NISCAIR, India, 1993)Experiments were conducted on Tilapia mosambica, Perna viridis and Villorita cyprinoides on the uptake and loss of Hg, Cd and Pb in various tissues of these organisms. Hg was found to be highly toxic to the clams as compared ... -
Variation in heavy metals concentration in the edible oyster Crassostrea madrasensis, clam Polymesoda erosa and grey mullet Liza aurata from coastline of India
(Discovery Publication, 2013)Seven trace metals Zinc (Zn), Iron (Fe), Manganese (Mn), Lead (Pb), Nickel (Ni), Cobalt (Co) and Cadmium (Cd) variation and (or) accumulation in mullet fish L. aurata, edible bivalve oyster C. madrasensis from Gosthany ...